3220707706 has 8 divisors (see below), whose sum is σ = 4831537140. Its totient is φ = 1610195328.

The previous prime is 3220707691. The next prime is 3220707767. The reversal of 3220707706 is 6077070223.

It can be written as a sum of positive squares in 2 ways, for example, as 3213869481 + 6838225 = 56691^2 + 2615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51991 + ... + 95626.

Almost surely, 2^3220707706 is an apocalyptic number.

3220707706 is a deficient number, since it is larger than the sum of its proper divisors (1610829434).

3220707706 is a wasteful number, since it uses less digits than its factorization.

3220707706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158528.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 3220707706 is about 56751.2793335974. The cubic root of 3220707706 is about 1476.7844275116.

Adding to 3220707706 its reverse (6077070223), we get a palindrome (9297777929).

The spelling of 3220707706 in words is "three billion, two hundred twenty million, seven hundred seven thousand, seven hundred six".